170830-M-QP663-146 CAMP PENDLETON, Calif. (Aug. 30, 2017) Marines assigned to 1st Maintenance Battalion, Combat Logistics Regiment 15, 1st Marine Logistics Group, meet Secretary of the Navy Richard V. Spencer and discuss their roles and responsibilities at Camp Pendleton, Calif. Spencer visited Naval Base San Diego, Calif., and the littoral combat ship USS Gabrielle Giffords. (U.S. Marine Corps photo by Lance Cpl. Adam Dublinske/Released)